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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c126
1 files changed, 75 insertions, 51 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 6db1fef38bff..d90d4a388609 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -18,9 +18,7 @@
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_bit.h"
#include "xfs_log.h"
-#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
@@ -35,19 +33,26 @@
#include "xfs_trans_priv.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
-#include "xfs_rw.h"
#include "xfs_trace.h"
kmem_zone_t *xfs_log_ticket_zone;
/* Local miscellaneous function prototypes */
-STATIC int xlog_commit_record(struct log *log, struct xlog_ticket *ticket,
- xlog_in_core_t **, xfs_lsn_t *);
+STATIC int
+xlog_commit_record(
+ struct xlog *log,
+ struct xlog_ticket *ticket,
+ struct xlog_in_core **iclog,
+ xfs_lsn_t *commitlsnp);
+
STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp,
xfs_buftarg_t *log_target,
xfs_daddr_t blk_offset,
int num_bblks);
-STATIC int xlog_space_left(struct log *log, atomic64_t *head);
+STATIC int
+xlog_space_left(
+ struct xlog *log,
+ atomic64_t *head);
STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
STATIC void xlog_dealloc_log(xlog_t *log);
@@ -67,8 +72,10 @@ STATIC void xlog_state_switch_iclogs(xlog_t *log,
int eventual_size);
STATIC void xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog);
-STATIC void xlog_grant_push_ail(struct log *log,
- int need_bytes);
+STATIC void
+xlog_grant_push_ail(
+ struct xlog *log,
+ int need_bytes);
STATIC void xlog_regrant_reserve_log_space(xlog_t *log,
xlog_ticket_t *ticket);
STATIC void xlog_ungrant_log_space(xlog_t *log,
@@ -76,7 +83,9 @@ STATIC void xlog_ungrant_log_space(xlog_t *log,
#if defined(DEBUG)
STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr);
-STATIC void xlog_verify_grant_tail(struct log *log);
+STATIC void
+xlog_verify_grant_tail(
+ struct xlog *log);
STATIC void xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog,
int count, boolean_t syncing);
STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
@@ -92,9 +101,9 @@ STATIC int xlog_iclogs_empty(xlog_t *log);
static void
xlog_grant_sub_space(
- struct log *log,
- atomic64_t *head,
- int bytes)
+ struct xlog *log,
+ atomic64_t *head,
+ int bytes)
{
int64_t head_val = atomic64_read(head);
int64_t new, old;
@@ -118,9 +127,9 @@ xlog_grant_sub_space(
static void
xlog_grant_add_space(
- struct log *log,
- atomic64_t *head,
- int bytes)
+ struct xlog *log,
+ atomic64_t *head,
+ int bytes)
{
int64_t head_val = atomic64_read(head);
int64_t new, old;
@@ -168,7 +177,7 @@ xlog_grant_head_wake_all(
static inline int
xlog_ticket_reservation(
- struct log *log,
+ struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic)
{
@@ -185,7 +194,7 @@ xlog_ticket_reservation(
STATIC bool
xlog_grant_head_wake(
- struct log *log,
+ struct xlog *log,
struct xlog_grant_head *head,
int *free_bytes)
{
@@ -207,7 +216,7 @@ xlog_grant_head_wake(
STATIC int
xlog_grant_head_wait(
- struct log *log,
+ struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic,
int need_bytes)
@@ -259,7 +268,7 @@ shutdown:
*/
STATIC int
xlog_grant_head_check(
- struct log *log,
+ struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic,
int *need_bytes)
@@ -326,7 +335,7 @@ xfs_log_regrant(
struct xfs_mount *mp,
struct xlog_ticket *tic)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
int need_bytes;
int error = 0;
@@ -392,7 +401,7 @@ xfs_log_reserve(
bool permanent,
uint t_type)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
struct xlog_ticket *tic;
int need_bytes;
int error = 0;
@@ -468,7 +477,7 @@ xfs_log_done(
struct xlog_in_core **iclog,
uint flags)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
xfs_lsn_t lsn = 0;
if (XLOG_FORCED_SHUTDOWN(log) ||
@@ -813,6 +822,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
void
xfs_log_unmount(xfs_mount_t *mp)
{
+ cancel_delayed_work_sync(&mp->m_sync_work);
xfs_trans_ail_destroy(mp);
xlog_dealloc_log(mp->m_log);
}
@@ -841,7 +851,7 @@ void
xfs_log_space_wake(
struct xfs_mount *mp)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
int free_bytes;
if (XLOG_FORCED_SHUTDOWN(log))
@@ -916,27 +926,42 @@ xfs_log_need_covered(xfs_mount_t *mp)
* We may be holding the log iclog lock upon entering this routine.
*/
xfs_lsn_t
-xlog_assign_tail_lsn(
+xlog_assign_tail_lsn_locked(
struct xfs_mount *mp)
{
+ struct xlog *log = mp->m_log;
+ struct xfs_log_item *lip;
xfs_lsn_t tail_lsn;
- struct log *log = mp->m_log;
+
+ assert_spin_locked(&mp->m_ail->xa_lock);
/*
* To make sure we always have a valid LSN for the log tail we keep
* track of the last LSN which was committed in log->l_last_sync_lsn,
- * and use that when the AIL was empty and xfs_ail_min_lsn returns 0.
- *
- * If the AIL has been emptied we also need to wake any process
- * waiting for this condition.
+ * and use that when the AIL was empty.
*/
- tail_lsn = xfs_ail_min_lsn(mp->m_ail);
- if (!tail_lsn)
+ lip = xfs_ail_min(mp->m_ail);
+ if (lip)
+ tail_lsn = lip->li_lsn;
+ else
tail_lsn = atomic64_read(&log->l_last_sync_lsn);
atomic64_set(&log->l_tail_lsn, tail_lsn);
return tail_lsn;
}
+xfs_lsn_t
+xlog_assign_tail_lsn(
+ struct xfs_mount *mp)
+{
+ xfs_lsn_t tail_lsn;
+
+ spin_lock(&mp->m_ail->xa_lock);
+ tail_lsn = xlog_assign_tail_lsn_locked(mp);
+ spin_unlock(&mp->m_ail->xa_lock);
+
+ return tail_lsn;
+}
+
/*
* Return the space in the log between the tail and the head. The head
* is passed in the cycle/bytes formal parms. In the special case where
@@ -953,7 +978,7 @@ xlog_assign_tail_lsn(
*/
STATIC int
xlog_space_left(
- struct log *log,
+ struct xlog *log,
atomic64_t *head)
{
int free_bytes;
@@ -1172,7 +1197,7 @@ xlog_alloc_log(xfs_mount_t *mp,
xlog_get_iclog_buffer_size(mp, log);
error = ENOMEM;
- bp = xfs_buf_alloc(mp->m_logdev_targp, 0, log->l_iclog_size, 0);
+ bp = xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log->l_iclog_size), 0);
if (!bp)
goto out_free_log;
bp->b_iodone = xlog_iodone;
@@ -1182,9 +1207,6 @@ xlog_alloc_log(xfs_mount_t *mp,
spin_lock_init(&log->l_icloglock);
init_waitqueue_head(&log->l_flush_wait);
- /* log record size must be multiple of BBSIZE; see xlog_rec_header_t */
- ASSERT((XFS_BUF_SIZE(bp) & BBMASK) == 0);
-
iclogp = &log->l_iclog;
/*
* The amount of memory to allocate for the iclog structure is
@@ -1204,7 +1226,7 @@ xlog_alloc_log(xfs_mount_t *mp,
prev_iclog = iclog;
bp = xfs_buf_get_uncached(mp->m_logdev_targp,
- log->l_iclog_size, 0);
+ BTOBB(log->l_iclog_size), 0);
if (!bp)
goto out_free_iclog;
@@ -1224,7 +1246,7 @@ xlog_alloc_log(xfs_mount_t *mp,
head->h_fmt = cpu_to_be32(XLOG_FMT);
memcpy(&head->h_fs_uuid, &mp->m_sb.sb_uuid, sizeof(uuid_t));
- iclog->ic_size = XFS_BUF_SIZE(bp) - log->l_iclog_hsize;
+ iclog->ic_size = BBTOB(bp->b_length) - log->l_iclog_hsize;
iclog->ic_state = XLOG_STATE_ACTIVE;
iclog->ic_log = log;
atomic_set(&iclog->ic_refcnt, 0);
@@ -1268,7 +1290,7 @@ out:
*/
STATIC int
xlog_commit_record(
- struct log *log,
+ struct xlog *log,
struct xlog_ticket *ticket,
struct xlog_in_core **iclog,
xfs_lsn_t *commitlsnp)
@@ -1302,7 +1324,7 @@ xlog_commit_record(
*/
STATIC void
xlog_grant_push_ail(
- struct log *log,
+ struct xlog *log,
int need_bytes)
{
xfs_lsn_t threshold_lsn = 0;
@@ -1475,7 +1497,7 @@ xlog_sync(xlog_t *log,
} else {
iclog->ic_bwritecnt = 1;
}
- XFS_BUF_SET_COUNT(bp, count);
+ bp->b_io_length = BTOBB(count);
bp->b_fspriv = iclog;
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_ASYNC(bp);
@@ -1573,7 +1595,7 @@ xlog_dealloc_log(xlog_t *log)
* always need to ensure that the extra buffer does not point to memory
* owned by another log buffer before we free it.
*/
- xfs_buf_set_empty(log->l_xbuf, log->l_iclog_size);
+ xfs_buf_set_empty(log->l_xbuf, BTOBB(log->l_iclog_size));
xfs_buf_free(log->l_xbuf);
iclog = log->l_iclog;
@@ -1781,7 +1803,7 @@ xlog_write_start_rec(
static xlog_op_header_t *
xlog_write_setup_ophdr(
- struct log *log,
+ struct xlog *log,
struct xlog_op_header *ophdr,
struct xlog_ticket *ticket,
uint flags)
@@ -1864,7 +1886,7 @@ xlog_write_setup_copy(
static int
xlog_write_copy_finish(
- struct log *log,
+ struct xlog *log,
struct xlog_in_core *iclog,
uint flags,
int *record_cnt,
@@ -1949,7 +1971,7 @@ xlog_write_copy_finish(
*/
int
xlog_write(
- struct log *log,
+ struct xlog *log,
struct xfs_log_vec *log_vector,
struct xlog_ticket *ticket,
xfs_lsn_t *start_lsn,
@@ -2812,7 +2834,7 @@ _xfs_log_force(
uint flags,
int *log_flushed)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
struct xlog_in_core *iclog;
xfs_lsn_t lsn;
@@ -2932,6 +2954,7 @@ xfs_log_force(
{
int error;
+ trace_xfs_log_force(mp, 0);
error = _xfs_log_force(mp, flags, NULL);
if (error)
xfs_warn(mp, "%s: error %d returned.", __func__, error);
@@ -2959,7 +2982,7 @@ _xfs_log_force_lsn(
uint flags,
int *log_flushed)
{
- struct log *log = mp->m_log;
+ struct xlog *log = mp->m_log;
struct xlog_in_core *iclog;
int already_slept = 0;
@@ -3080,6 +3103,7 @@ xfs_log_force_lsn(
{
int error;
+ trace_xfs_log_force(mp, lsn);
error = _xfs_log_force_lsn(mp, lsn, flags, NULL);
if (error)
xfs_warn(mp, "%s: error %d returned.", __func__, error);
@@ -3136,12 +3160,12 @@ xfs_log_ticket_get(
*/
xlog_ticket_t *
xlog_ticket_alloc(
- struct log *log,
+ struct xlog *log,
int unit_bytes,
int cnt,
char client,
bool permanent,
- int alloc_flags)
+ xfs_km_flags_t alloc_flags)
{
struct xlog_ticket *tic;
uint num_headers;
@@ -3267,7 +3291,7 @@ xlog_ticket_alloc(
*/
void
xlog_verify_dest_ptr(
- struct log *log,
+ struct xlog *log,
char *ptr)
{
int i;
@@ -3296,7 +3320,7 @@ xlog_verify_dest_ptr(
*/
STATIC void
xlog_verify_grant_tail(
- struct log *log)
+ struct xlog *log)
{
int tail_cycle, tail_blocks;
int cycle, space;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-04 18:55:37 +0300